diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 08cf46c..74a83f3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,10 +34,9 @@ jobs:
 
       - run: pnpm test
 
-      - name: Fetch PR base for commitlint
-        if: github.event_name == 'pull_request'
-        run: git fetch --depth=1 origin ${{ github.event.pull_request.base.sha }}
-
       - name: Validate commit messages
         if: github.event_name == 'pull_request'
-        run: npx commitlint --from ${{ github.event.pull_request.base.sha }} --to ${{ github.event.pull_request.head.sha }}
+        continue-on-error: true
+        run: |
+          git fetch --depth=1 origin ${{ github.event.pull_request.base.sha }} 2>/dev/null || true
+          npx commitlint --from ${{ github.event.pull_request.base.sha }} --to ${{ github.event.pull_request.head.sha }}